<li *ngIf="sideList.children" class="first-li" nz-submenu [(nzOpen)]="sideList.open" (nzOpenChange)="openChange1()">
  <a href="javascript:;" class="nav-first-level" title>
    <i [class]="sideList.icon"></i>{{sideList.label}}
  </a>
  <ul class="nav-second-level">
    <li *ngFor="let sideChildrenList of sideList.children" nz-menu-item [nzSelected]="sideChildrenList.selected">
      <a [routerLink]="sideChildrenList.link" routerLinkActive="active">
        <i class="fa fa-dot"></i>{{sideChildrenList.label}}
      </a>
    </li>
  </ul>
</li>
<li *ngIf="!sideList.children" class="first-li side-li" nz-menu-item [nzSelected]="sideList.selected">
  <a [routerLink]="sideList.link" routerLinkActive="active" (click)="openChange1()">
    <i [class]="sideList.icon"></i>{{sideList.label}}
  </a>
</li>
